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( Devrim Can Sarac ),( Bayram Unver ),( Vasfi Karatosun ) 대한슬관절학회 2022 대한슬관절학회지 Vol.34 No.-
Purpose: This study aimed to investigate validity and reliability of the Timed Up and Go Test (TUG), 10 Meter Walk Test (10MWT), Single Leg Stance Test (SLST), 2 Minute Walk Test (2MWT), and Five Times Sit-to-Stand Test (5xSST) for evaluating balance in patients with total knee arthroplasty (TKA). Materials and Methods: This cross-sectional study included 41 participants who had undergone TKA 6 months before the study due to osteoarthritis. Participants performed the TUG, 10MWT, SLST, 5xSST, and 2MWT. Each of the tests was performed twice, with a 1-day interval between tests. Intraclass correlation coefficient (ICC) models were used to determine the test-retest reliability. The level of correlations between performance tests and Berg Balance Scale and Fall Efficacy Scale-International were used to establish concurrent and convergent validity of the performance tests, respectively. Results: The mean age of the subjects was 64.07 ± 10.57 years. All tests showed excellent reliability (ICC > 0.94), excluding SLST that demonstrated good test-retest reliability (ICC = 0.72). All of the tests (SLST, 10MWT, 5xSST, 2MWT, TUG) were found to have good validity (rho > 0.704). Conclusions: According to these results, TUG, 10MWT, SLST, 5xSST, and 2MWT are reliable and valid outcome measures in patients with TKA, and could be used to assess balance after TKA surgery.